/*
 * Copyright (C) 2017-2019 Dremio Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.dremio.telemetry.api.metrics;

import java.util.concurrent.TimeUnit;

/**
 * Recorder of time to complete an operation.
 */
public interface Timer {
  Timer.TimerContext start(String... tags);

  /**
   * Content used to finish a particular timer observation.
   */
  public static interface TimerContext extends AutoCloseable {
    void close();
  }

  void update(long duration, TimeUnit timeUnit);
}
